Coffee table



FIG. 1 is a perspective view of a coffee table, showing my new design;

FIG. 2 is a front elevational view thereof, showing my new design;

FIG. 3 is a side elevational view thereof, showing my new design;

FIG. 4 is a top elevational perspective view thereof, showing my new design; and,

FIG. 5 is a bottom elevational perspective view thereof, showing my new design. 

The ornamental design for a coffee table, as shown and described. 